<template>
  <div>
  <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片示图区域 -->
    <el-card>
        <!-- 搜索与添加区 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query" 
            clearable
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList()"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">
            添加商品
          </el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="goodslist" border stripe>
      <el-table-column label="#" type="index"></el-table-column>
      <el-table-column label="商品名称" prop="goods_name"></el-table-column>
      <el-table-column label="商品价格(元)" prop="goods_price"></el-table-column>
      <el-table-column label="商品重量" prop="goods_weight"></el-table-column>
      <el-table-column label="创建时间" prop="add_time">
        <!-- eslint-disable-next-line -->
        <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
        </template>
      </el-table-column>
      <el-table-column label="操作">
        <!-- eslint-disable-next-line -->
        <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit" 
              
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
        </template>
      </el-table-column>
      </el-table>
        <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    </div>
</template>

<script>
export default {
    data(){
        return{
            //查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            //商品列表
            goodslist:[],
            //总数居条数
            total:0
        }

    },
    created(){
        this.getGoodsList()
    },
    methods:{
        //根据分页获取对应的商品列表
        async getGoodsList(){
           const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
            if(res.meta.status!==200){
                return this.$message.error('获取商品列表失败')
            }
            this.$message.success('获取商品列表成功')
            console.log(res.data)
            this.goodslist=res.data.goods
            this.total=res.data.total
        
        },
        //监听pagesize改变的时间
        handleSizeChange(newSize) {
            this.queryInfo.pagesize = newSize;
            this.getGoodsList();
    },
        //监听页码值改变的事件
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage;
            this.getGoodsList();
    },

    async removeById(id){
        const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
        if(confirmResult !== 'confirm'){
            return this.$message.info('已取消删除')
        }
            const {data:res}=await this.$http.delete(`goods/${id}`)
            if(res.meta.status!==200)return this.$message.error('删除失败')
            this.$message.success('已成功删除')
            this.getGoodsList();
    }, 
    goAddpage(){
        this.$router.push('/goods/add')
    },     
    }
}
</script>

<style lang="less" scoped>

</style>